<template>
  <div class="permission-container">
    <div class="app-container">
      <!-- 表格 -->
      <el-card>
        <div style="text-align: right; margin-bottom: 20px">
          <el-button type="primary" size="small" @click="hAdd(1,'0')">添加权限</el-button>
        </div>
        <el-table border :data="list" row-key="id">
          <el-table-column label="名称" prop="name" />
          <el-table-column label="标识" prop="code" />
          <el-table-column label="描述" prop="description" />
          <el-table-column label="操作">
            <template slot-scope="scope">
              <el-button type="text" v-if="scope.row.type ===1" @click="hAdd(2,'scope.row.id')">添加</el-button>
              <el-button type="text" @click="hEdit(scope.row.id)">编辑</el-button>
              <!-- 没有children,则删除可见  -->
              <el-button v-if="scope.row.children.length ===0" type="text" @click="hDel(scope.row.id)">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
      </el-card>
    </div>

  <el-dialog :visible.sync="showDialog" title="弹层标题"
  @close="hClose"
  >
  <!-- 表单内容 -->
  <el-form ref="refForm" :model="formData" label-width="100px">
    <el-form-item label="权限名称">
      <el-input v-model="formData.name" prop='name'/>
    </el-form-item>
    <el-form-item label="权限标识">
      <el-input v-model="formData.code" prop='code'/>
    </el-form-item>
    <el-form-item label="权限描述">
      <el-input v-model="formData.description" prop='description' />
    </el-form-item>
    <el-form-item label="权限启用">
      <el-switch
        v-model="formData.enVisible"
        active-text="启用"
        active-value="1"
        inactive-text="不启用"
        inactive-value="0"
      />
    </el-form-item>
  </el-form>

  <template #footer>
    <div style="text-align: right;">
      <el-button @click="showDialog = false">取消</el-button>
      <el-button type="primary" @click="hSubmit">确定</el-button>
    </div>
  </template>
</el-dialog>
  </div>
</template>

<script>
import { getPermissionList,addPermission,delPermission,updatePermission,getPermissionDetail  } from '@/api/permission'
import {tranListToTreeData} from '@/utils/index.js'

export default {
  name: 'Permission',
  data() {
  return {
    list: [],
    showDialog: false, // 是否显示弹层
    formData:{
        name: '', // 名称
        code: '', // 权限标识
        description: '', // 描述
        enVisible: '0', // 开启
        pid: '', // 添加到哪个节点下
        type: '' // 类型
      },
    isEdit: false
  }
},
  created() {
    this.loadPermissionList()
  },
  methods: {
    async hEdit(id){
      this.isEdit = true
      //弹框
      this.showDialog = true
      //发请求，根据id拿到详情
      const res= await getPermissionDetail(id)

      this.formData = res.data
    },
    hDel(id){
      //用户确认
      this.$confirm('确认是否删除','系统提示').then(async ()=>{
      //调用接口
      await delPermission(id)
      //提示
      this.$message.success('删除成功')
      //重发请求
      this.loadPermissionList
      }).catch(()=>{
        
      })
    },
    hClose(){
    //强制重置表单内容
    this.formData = {
        name: '', // 名称
        code: '', // 权限标识
        description: '', // 描述
        enVisible: '0', // 开启
        pid: '', // 添加到哪个节点下
        type: '' // 类型
      }
    //清空表单
    this.$refs.refForm.resetFields()
    },
    async doEdit(){
      //核心添加
      await updatePermission(this.formData)
      //关闭弹窗
      this.showDialog = false
      //提示
      this.$message.success('添加成功')
      //刷新页面
      this.loadPermissionList()
    },
    async doAdd(){
      //核心添加
      await addPermission(this.formData)
      //关闭弹窗
      this.showDialog = false
      //提示
      this.$message.success('添加成功')
      //刷新页面
      this.loadPermissionList()
    },
    hSubmit(){
      //表单校验
     this.isEdit ? this.doEdit() : this.doAdd()
    },
    hAdd(type,pid){
      this.isEdit = false
      this.showDialog = true
      //当前添加的信息
      this.formData.type = type
      this.formData.pid = pid
    },
    async loadPermissionList() {
      const res = await getPermissionList()
      // console.log('从后端获取的数据的是', res)

      this.list =tranListToTreeData (res.data)
    }
  }
}
</script>